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Good morning, students……

Good morning, students……. Lets solve one riddle. There can be no life without me. . All living beings needs me. Plants dry up without me. So, who am I????. Yes, you are right!!!!! I am water…. Yes, I am dirty water or you can call me waste water. If I am water, then who is this????.

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Good morning, students……

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  1. Good morning, students……

  2. Lets solve one riddle There can be no life without me. • All living beings needs me. • Plants dry up without me. • So, who am I????

  3. Yes, you are right!!!!! I am water…..

  4. Yes, I am dirty water or you can call me waste water. If I am water, then who is this????

  5. What is the difference between 2 pictures???? Yes. This is clean water…. And this is dirty water….

  6. Observe the pictures carefully…..

  7. So, in today's class we’ll be learning about the journey of waste water in the chapter WASTE WATER STORY

  8. How, did I turn into waste water????? Write some of the activities in which water becomes dirty????

  9. Waste Water Kitchen sink Washing Dumping of waste Industries

  10. Why do you think, water is important in our life???? Now on the worksheet, list down the uses of water

  11. Now, lets see some of the uses of water….

  12. AT HOME Drinking Washing hands Cooking Bathing Washing clothes Watering plants

  13. So, what can you conclude from this???? WATER, OUR LIFELINE

  14. Which water will you prefer to drink???? Yes, You are right!!!! Clean water....

  15. BUT, WHY??? Because, waste water contains impurities…

  16. What does organic impurity, inorganic impurity, nutrients, microbes and bacterias collectively form???

  17. SEWAGE Organic waste Bacteria Inorganic waste Microbes

  18. Sewage INDUSTRIES HOMES HOSPITALS OFFICES

  19. Now, let us see some better house keeping practices

  20. Which is correct?????? Throwing cooking oil in sink Throwing cooking oil in dustbin

  21. Yes, You are right!!!! Throw oil and fats in the dustbin. Because, they can harden and block the pipes.

  22. Which is correct?????? Throwing everything in sink Throwing waste in dustbin

  23. Yes, You are right!!!! Throw waste in the dustbin. Because, these wastes chock the drains and hampers degradation process.

  24. WORKSHEET ? Organic Impurities SEWAGE Microbes and Bacteria ?

  25. ANSWERS • Inorganic impurities • Nutrients

  26. HOMES ? Sewage is released by….. ? OFFICES

  27. ANSWERS • Hospitals • Industries

  28. Identify the mistake in the picture

  29. THANK YOU

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